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Hardware Overview
Trango Broadband Wireless — User Manual M900S Rev. C Page 3
Section 2 Hardware Overview
This section provides details about each radio in the M900S family. The M900S-SU and M900S-AP include built-
in, electronically switchable, dual-polarized antennas, as well as a reverse polarity SMA connector for the
attachment of an external antenna. The M900S-SU-EXT features an external antenna connector and does not
include the integrated antenna. All units are designed for outdoor installation, and are powered by power-over-
Ethernet (POE) for ease of installation. The M900S Access Point, as well as the M900S subscriber units, provide
channels of operation within the 900 MHz ISM band that spans from 902 MHz to 928 MHz. The channel width is
6 MHz, and the default channel assignments allow for 4 non-overlapping channels.
M900S AP and SU Hardware Components
Each radio comes equipped with a power-over-Ethernet (PoE) J-Box, an AC adapter, and mounting hardware.
Radio (MU or RU) antenna
Power Supply (120 VAC-24 VDC)
J-Box (Power-over-Ethernet Injector)
Mounting Hardware
4X
8X
2X
Figure 2: Basic Components of an M900S Radio
Figure 3: Bottom of Radio
At the bottom of the M900S are two access ports: a twist-on weatherproof cable port for RJ-45 Ethernet (and PoE),
and a translucent access cover plug over the unit’s diagnostic LEDs and reset button. The LEDs will be discussed
later in this text.